<?php

/**
 * Devel Generate batch handling functions using the BatchAPI
 * included by devel_generate.module
 */

/**
 * Functions called from FAPI:
 */
function devel_batch_generate_content($form_state) {
    $operations = array();

    // Setup the batch operations and save the variables.
    $operations[] = array('devel_generate_batch_content_pre_node', array($form_state['values']));

    // add the kill operation
    if ($form_state['values']['kill_content']) {
        $operations[] = array('devel_generate_batch_content_kill', array());
    }

    // add the operations to create the nodes
    for ($num = 0; $num < $form_state['values']['num_nodes']; $num++) {
        $operations[] = array('devel_generate_batch_content_add_node', array());
    }

    // start the batch
    $batch = array(
        'title' => t('Generating Content'),
        'operations' => $operations,
        'finished' => 'devel_generate_batch_finished',
        'file' => drupal_get_path('module', 'devel_generate') . '/devel_generate_batch.inc',
    );
    batch_set($batch);
}

/**
 * Create Content Batch Functions:
 */
function devel_generate_batch_content_kill(&$context) {
    require_once('devel_generate.inc');
    devel_generate_content_kill($context['results']);
}

function devel_generate_batch_content_pre_node($vars, &$context) {
    $context['results'] = $vars;
    $context['results']['num_nids'] = 0;
    require_once('devel_generate.inc');
    devel_generate_content_pre_node($context['results']);
}

function devel_generate_batch_content_add_node(&$context) {
    require_once('devel_generate.inc');
    devel_generate_content_add_node($context['results']);
    $context['results']['num_nids']++;
}

function devel_generate_batch_finished($success, $results, $operations) {
    if ($success) {
        $message = t('Finished @num_nids nodes created successfully.', array('@num_nids' => $results['num_nids']));
    } else {
        $message = t('Finished with an error.');
    }
    drupal_set_message($message);
}

